Home / 1,228,692.35-1,695,603.32-684,862.62

Finding the Fourth Proportional to 1,228,692.35, 1,695,603.32 and 684,862.62

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Solution

The fourth proportional to 1,228,692.35, 1,695,603.32 and 684,862.62 is: 945,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,692.35 : 1,695,603.32 = 684,862.62 : x
  2. Step 2: Convert to fraction form
    1,228,692.35/1,695,603.32 = 684,862.62/x
  3. Step 3: Cross multiply
    1,228,692.35x = 1,695,603.32 × 684,862.62
  4. Step 4: Simplify right side
    1,228,692.35x = 1,161,255,333,030.59
  5. Step 5: Solve for x
    x = 1,161,255,333,030.59/1,228,692.35
  6. Step 6: Final answer
    x = 945,114.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.